user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:MacOS/Amos.AO!MTB
Trojan:MacOS/Amos.AO!MTB - Windows Defender threat signature analysis

Trojan:MacOS/Amos.AO!MTB - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:MacOS/Amos.AO!MTB
Classification:
Type:Trojan
Platform:MacOS
Family:Amos
Detection Type:Concrete
Known malware family with identified signatures
Variant:AO
Specific signature variant within the malware family
Suffix:!MTB
Detected via machine learning and behavioral analysis
Detection Method:Behavioral
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for macOS platform, family Amos

Summary:

This is a macOS Trojan (Amos family) detected with high confidence via concrete signatures and behavioral analysis. It specifically targets and steals cryptocurrency wallet data from applications like Wasabi, Exodus, Atomic, and Guarda, posing a critical financial threat.

Severity:
Critical
VDM Static Detection:
No specific strings found for this threat
YARA Rule:
rule Trojan_MacOS_Amos_AO_2147919063_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:MacOS/Amos.AO!MTB"
        threat_id = "2147919063"
        type = "Trojan"
        platform = "MacOS: "
        family = "Amos"
        severity = "Critical"
        info = "MTB: Microsoft Threat Behavior"
        signature_type = "SIGNATURE_TYPE_MACHOHSTR_EXT"
        threshold = "11"
        strings_accuracy = "Low"
    strings:
        $x_5_1 = "walletwasabi/client/Wallets/" ascii //weight: 5
        $x_5_2 = "Exodus/exodus.wallet/" ascii //weight: 5
        $x_1_3 = "atomic/Local Stveldb/" ascii //weight: 1
        $x_1_4 = "Guarda/Local Storage/leveldb/" ascii //weight: 1
        $x_1_5 = {ff 43 01 d1 fd 7b 04 a9 fd 03 01 91 a0 83 1f f8 a8 83 5f f8 e8 07 00 f9 e0 83 00 91 e0 03 00 f9 61 00 00 f0 21 f8 06 91 6a ?? ?? ?? e1 03 40 f9 e2 07 40 f9 e0 03 02 aa}  //weight: 1, accuracy: Low
    condition:
        (filesize < 20MB) and
        (
            ((2 of ($x_5_*) and 1 of ($x_1_*))) or
            (all of ($x*))
        )
}
Known malware which is associated with this threat:
Filename: crypto-win
dea72cdd7c9dfc49f0a19581086c8e6e99b000dc33f461ece8b9f37c1bd7068d
15/12/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the compromised macOS device to prevent further data exfiltration. Perform a full system scan with updated antivirus software to remove the threat, then promptly change all cryptocurrency wallet passwords and transfer funds to a secure, uncompromised wallet or cold storage. Monitor financial accounts for unauthorized transactions and reinforce security awareness regarding phishing and suspicious downloads.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 15/12/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
user@threatcheck.sh:~$ ▊